{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "protein", "DNA", "cell type", "RNA"], "input": "In addition, we looked at the modulation of nuclear factors binding specifically to the AP-1 element after LTB4 stimulation ."}
{"cell line": [], "protein": ["nuclear factors"], "DNA": ["AP-1 element"], "cell type": [], "RNA": []}